MEDIUMCVSS v3.1 4.6Vulnerability
CVE-2026-126048
Gwenhywfar 4.99.8beta before 5.14.2 contains a stack-based buffer overflow in GWEN_TLV_Buffer_To_DB() in src/parser/tlv.c when decoding BER-TLV tags into a fixed 128-byte buffer. Attackers can supply a record with about 127 or more tag continuation bytes or a truncated multi-byte tag, such as via a malicious chip card's EF_SSD file read by libchipcard's ZKA driver, to crash the application.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-10T23:33:48.924589+00:00
- Cvss severity
- MEDIUM
- Cvss score
- 4.6
- Retrieved at
- 2026-11-10T23:34:23+00:00
- Score
- 4.6
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-126048
- Cvss vector
- CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- First seen by Signal
- 2026-11-10T19:28:55+00:00
- Vector
- CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Published at
- 2026-11-10T17:17:31.473
- Last modified
- 2026-11-10T17:17:31.473
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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